J & K CET Engineering J and K - CET Engineering Solved Paper-2005

  • question_answer
    The boiling point of water decreases at high altitudes because

    A)  the atmospheric pressure is low

    B)  the temperature is low

    C)  the atmospheric pressure is high

    D)  the temperature is high

    Correct Answer: A

    Solution :

     The boiling point of a liquid is the temperature at which its vapour pressure becomes equal to the atmospheric pressure. At high altitudes the atmospheric pressure becomes low, hence the boiling point of water decreases.


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